APA (7th ed.) Citation

Schulz, O. E. (1923). Cruciferae .. Engelmann.

Chicago Style (17th ed.) Citation

Schulz, O. E. Cruciferae .. Leipzig: Engelmann, 1923.

MLA (9th ed.) Citation

Schulz, O. E. Cruciferae .. Engelmann, 1923.

Warning: These citations may not always be 100% accurate.